Improvement in harvester cutter-bars



E. R. WHITNEY.

Harvester Gutter-Bars.

No.'200,114.' Patented Feb. 5,1878.

' i INVENTOR FWITNESSE I Z I ATTORN EYS N. PETERS. PHOTO-UTHQQRAPHER.WASHINGTON. D c.

'ter-bar for reapers and mowers.

UNITED STATES PATENT OFFICE.

EDWIN It. WHITNEY, OF MAGOG, QUEBEC, CANADA.

IMPROVEMENT IN HARVESTER CUTTER-BARS.

Specification forming part of Letters Patent No. 200,114, dated February5, 187B application filed November 28, 1876.

To all whom it may concern Be it known that I, EDWIN R. WHITNEY,

of Magog, county of Stanstead, Province of Quebec, Canada, have inventedcertain new and useful Improvements in Gutter-Bars and Knives forReapers and Mowers; and do hereby declare that the following is a full,clear, and exact description thereof, reference being had to theaccompanying drawings, and to the letters of reference marked thereon,making a part of this specification.

The nature of my invention consists in the construction and arrangementof a cutter-bar and knives for reapers and mowers, as will behereinafter more fully set forth.

In order to enable others skilled in the art to which my inventionappertains to make and use the same, I will now proceed to describe itsconstruction and operation, referring to the annexed drawing, in which-Figure 1 is a plan view of my improved cut- Fig. 2 is a similar viewwith the top plate removed. Figs. 3 and 4 are transverse sections of thesame, through the lines 00 w and y y, respectively, of Fig. 2.

A represents the finger-bar with fingers B B, all cast together in onepiece of steel or malleable iron. The finger-bar A is cast with a deeplongitudinal groove, a, in which are also cast a series of verticalstuds, 1) .b, at suitable distances apart. The studs b are locateddirectly opposite the centers of the fingers B, while the studs b aredirectly opposite the centers of the spaces between said fingers. Uponeach of the studs 1) is placed an idlev pinion or cog-wheel, O, and uponeach stud above the same through an aperture in the plate. In the lattercase the circular cutter G rests upon a plate, H, secured to thefingerbar A, and this plate forms the stationary cutter or leger plateI. When the circular rotating cutter G is below the covering-plate E,this plate H is dispensed with, and a legerplate, I, simply attached inits proper place between the fingers.

The first idle cog-wheel C, at the inner end of the finger-bar, isformed or provided with a bevel-gear wheel, J, which meshes with and isoperated by a similar gear-wheel, K, upon a short horizontal shaft, (1.This shaft has its bearing in a stand, L, this part of the gearing beingcovered by a casing, M, and the shaft is rotated by suitable mechanicaldevices from the machine proper.

I am well aware that a harvester-cutter having rotating knives operatedby a train of cog-gearing is not new.

I am also aware that removable leger-blades inharvester-cutters are ofthemselves not new; but I am not aware that my combination of parts hasever before been known or used.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is

The combination of the longitudinallygrooved finger-bar A, with seriesof studs 1) I) cast therein, the alternate cog -wheel 0, placed on thestuds 1), and the alternate cogwheels D, placed on the studs b, andprovided with the circular toothed cutters G and the covering-plate E,substantially as herein set forth. 7

In testimony that I claim the foregoing I have hereunto set my hand this15th day of November, 1876.

E. n. WHITNEY.

Witnesses:

WM. H. STILLWELL, GEO. S. 0. Dow.

